Home / 607,939.83-911,928.33-208,575

Finding the Fourth Proportional to 607,939.83, 911,928.33 and 208,575

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Solution

The fourth proportional to 607,939.83, 911,928.33 and 208,575 is: 312,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,939.83 : 911,928.33 = 208,575 : x
  2. Step 2: Convert to fraction form
    607,939.83/911,928.33 = 208,575/x
  3. Step 3: Cross multiply
    607,939.83x = 911,928.33 × 208,575
  4. Step 4: Simplify right side
    607,939.83x = 190,205,451,429.75
  5. Step 5: Solve for x
    x = 190,205,451,429.75/607,939.83
  6. Step 6: Final answer
    x = 312,868.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.